:root {
  --bg: #12151a;
  --panel: #1b1f26;
  --border: #2a2f3a;
  --text: #eceef1;
  --text-dim: #8b93a1;
  --accent: #e8a33d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, Segoe UI, Inter, sans-serif;
}
.wrap { max-width: 900px; margin: 0 auto; padding: 32px 24px; }
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 20px;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
h1 { font-size: 22px; margin: 0; }
.btn {
  border-radius: 7px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
}
.btn.primary { background: var(--accent); color: #1a1305; border-color: var(--accent); }
.hint { color: var(--text-dim); font-size: 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.tile {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.tile-label { font-size: 13px; color: var(--text-dim); margin-bottom: 8px; }
.tile-value { font-size: 28px; font-weight: 700; }
.tile-sub { font-size: 13px; color: var(--text-dim); margin-top: 6px; }
.error {
  margin-top: 20px;
  color: #f0a58a;
  background: #2a1b17;
  border: 1px solid #4a2e24;
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 13px;
  white-space: pre-wrap;
}